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C. E. KELLY.

HORSESHOE CALK SHARPENER.

APPLICATION FlLED MAY 11. 1916.

1 9 1 94,748. Patented Aug". 15, 191%).

7 2 SHEETS-SHEET 2. 1

CHARLES E. KELLY, 0F PROVIDENCE, RHODE ISLAND.

HORSESHOE-CALK SHARPENER.

Specification of Letters I Patent.

Patented Aug. 15, 1916.

Application filed May 11, 1916. Serial No. 96,808.

To all whom it may concern..-

Be it known that 1, CHARLES E. KELLY, a citizen of the United States, residing at Providence, in the county of Providence and State of Rhode Island, have invented a new and useful Improvement in Horseshoe-Call: Sharpeners, of which the following is a specification.

This invention relates to certain new and useful improvements in horseshoe calk Sharpeners, and the primary object of the invention is to provide a sharpener which can be used in cutting the calks without removing the shoe from the horses hoof, and to provide means for guiding or holding the cutter or grinding element in proper position relative to the call: during the sharpening process, and to also continuously force thecutter toward the calk.

Still further, the invention aims to provide a sharpener which can be easily and quickly manipulated; which has no parts exposed to damage or interference by extraneous elements, and which is simple in construction, compact and economical in manufacture.

In the drawings Figure 1 is a side elevation of the invention. Fig. 2 is a front elevation. Fig. 3 is a section on the line 3-3 of Fig. 2, and Fig. 1 is a top plan view, showing the sharpener as in use.

In accordance with the present invention, a sleeve 1 is provided with a head frame 2 forming a shoulder 3, and also provided with screw threads 1, a handle 5 being mounted over the sleeve and at one end abutting the shoulder 3 while its opposite end is engaged by a nut 6 engaged with the threads 4- to thus securely maintain the handle in position.

The head frame 2 is formed with a bearing 6 at right angles to the sleeve 1, and is chambered at 8 and 9 to receive the bevel gears 10 and 11, respectively, which gears intermesh, as depicted in Fig. 3. The gear 10 is mounted on one end of a shaft 12, which latter at its opposite'end bears the cutter or grinding element 13. The shaft 12 is journaled in the bearing 6 and the sharpening element may be either a metal cutter or a grinding stone, as desired.

The gear 11 is secured to a shaft 13 and the latter has its lower end formed with a collar 1 1 which abuts the lower end of the sleeve 1. Flexible shafting indicated in fragment at15 is connected to the shaft 13 to rotate the same. A cap 16 closes the chamber 8 and has cars 17 and 18 projecting upwardly and downwardly therefrom, the ear 17 and an car 20 on the head frame 2 being provided to receive a screw 19 whereby the cap is removably secured in position, and the ear 18 abutting the frame 2 and receiving a screw 21 which extends into the frame.

Preferably the frame is cut away at 22 on each of its sides and the cap is provided with side wings which project and snugly fit in these cut-away parts thereby to strengthen the cap and to hold the same against lateral or sidewise movement.

The frame 2 on opposite sides of the bearing 6 is provided with upper and lower ears 23 between which clamps or dogs 2 1 are pivoted at 25 and tensioned by springs 26, the latter secured at 27 to the front end of the bearing 6 on opposite sides of the latter. The clamps or guide dogs 24 have fingers 27, which, as shown in Fig. 4, engage one side of the calk C and, due to the action of the spring 26, hold the cutter 13 in engagement with the opposite side of the calk, and-move the latter toward the call: as the cutter, in its action, cuts away part of the calk or reduces the thickness of the latter.

By the provision of two clamps 24, one on each side of the cutter, or disposed at diametrically opposite points relative to the cutter, it will be apparent that, as shown in Fig. 1, after the lower side of the calk C has been sharpened, it is merely necessary to disengage the top clamp and shift the device so that the lower clamp will engage the Eharpened side of the calk and the cutter will grind or cut the top side of this calk of Fig. 1. Thus a slight movement of the tool is merely necessary to out both sides of the calk, which facilitates cutting of the calks and enables the work to be expeditiously performed.

Since the clamps are spring pressed or tensioned it will be apparent that same may be forced into engagement with the calks without manually depressing the clamps against the actions of the springs, though as de icted in the drawings, the tails 28 of the 0 amps permit of manual depression if desired.

Having thus described my invention, What I claim as new and desire to secure by Letters Patent is- 1. In a calk sharpener, a sleeve having a head the latter provided with a pair of chambers, inter-meshing bevel gears in the chambers, a shaft extending through the sleeve and having one of the gears connected thereto, a shaft journaled in the head and having the other gear secured thereto, a sharpening element on the. second shaft, said head having opposite side cut-outs and an upwardly extending ear, a cap inclosing the gear of the second shaft and having upwardly and downwardly extending ears the former secured to the ear of the head and the downwardly extending ear secured to the head, said cap also having side wings which extend into the cut-outs, upper and lower spaced ears on the opposite sides of the head, and spring pressed clamps pivoted between the last named ears and having fingers which project on opposite sides of the sharpening element to press the latter against the calk.

2. In a calk sharpener, a sharpening element, means to rotate the element, and means disposed on each side of the element in diametrically opposed relation to engage the calk on the side opposite to the side engaged by the element to hold the element against the calk. V

3. In a calk sharpener, a sharpening element, means to rotate the element, and a pair of spring pressed guiding means for forcing the element against the call: by engaging the side of the calk opposite to the side engaged by the element.

a. In a calk sharpener, a rotatable sharpdiametrically opposed pivoted ening element, and spring pressed means to engage the side of the calk opposite to the side which the element engages to press the element continually against the calk.

5. In a calk sharpener, a handle, a sharpener rotatable thereon and having its axis of rotation at right angles to the handle, means extending longitudinally through the handle to rotate the sharpener, and means disposed co-extensive with the sharpener axis to guide the sharpener by holding same against the calk.

6. In a calk sharpener, a rotatable sharpener, means to rotate same, and means to engage the side of the call; opposite to the side which the sharpener engages to constantly force the sharpener against the calk.

7 In a calk sharpener, a sharpener proper, and a spring pressed finger for engagement with the side of the calk opposite to the side engaged by the sharpener for drawing the latter against the calk.

8. In a call: sharpener, a sharpener proper, and means located on oppositesides of the sharpener and adapted for interchangeable use to engage the calk and force the sharpener thereagainst.

9. In combination with a rotatable sharpener for calks, means to engage the calk and constantly force the sharpener thereagainst.

10. In a calk sharpener, sharpening means, and a pair of means for interchangeable use associated with said sharpening means either of which pair of means is capable of holding the sharpening means against the work.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

CHARLES E. KELLY.

Witnesses ADA E. HAGERTY, J. A. MILLER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner 0! Patents, Washington, D. G. 

